کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7940190 | 1513192 | 2017 | 11 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
A novel trench SOI LDMOS with a dual floating vertical field plate
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
مواد الکترونیکی، نوری و مغناطیسی
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
A novel trench SOI LDMOS with a dual floating vertical field plate structure (DFVFPT SOI) is proposed in this paper. A dual floating vertical plate (DFVFP) is introduced into the filled oxide trench of a conventional trench SOI LDMOS (CT SOI). The DFVFP modulates the distribution of the electric field in the drift region especially the trench surface region, which enhances the internal electric field and effectively prevents premature breakdown, thus increasing the breakdown voltage (BV). At the same time, the doping concentration of the drift region (Nd) is increased because of the assistant depletion effect of DFVFP and a lower specific on-resistance (Ron,sp) is therefore obtained. Compared with the CT SOI, the Ron,sp of the FVFPT SOI can be reduced by more than 35% when its BV can be increased by 27%, and the figure-of-merit (FOM) is enhanced by 145%. Compared with the several structures proposed before, the DFVFPT SOI better improves the tradeoff between BV and Ron,sp.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Superlattices and Microstructures - Volume 109, September 2017, Pages 134-144
Journal: Superlattices and Microstructures - Volume 109, September 2017, Pages 134-144
نویسندگان
Kun Cheng, Shengdong Hu, Jianmei Lei, Qi Yuan, Yuyu Jiang, Ye Huang, Dong Yang, Zhi Lin, Xichuan Zhou, Fang Tang,